Home / 15,266,286.51-21,067,638.14-8,296,964.02

Finding the Fourth Proportional to 15,266,286.51, 21,067,638.14 and 8,296,964.02

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Solution

The fourth proportional to 15,266,286.51, 21,067,638.14 and 8,296,964.02 is: 11,449,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266,286.51 : 21,067,638.14 = 8,296,964.02 : x
  2. Step 2: Convert to fraction form
    15,266,286.51/21,067,638.14 = 8,296,964.02/x
  3. Step 3: Cross multiply
    15,266,286.51x = 21,067,638.14 × 8,296,964.02
  4. Step 4: Simplify right side
    15,266,286.51x = 174,797,435,633,959.72
  5. Step 5: Solve for x
    x = 174,797,435,633,959.72/15,266,286.51
  6. Step 6: Final answer
    x = 11,449,898.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.